ChaA

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  • Description: H+/Ca2+ exchanger

Gene name chaA
Synonyms yfkE
Essential no
Product calcium transport in/out via proton antiporter
Function calcium uptake/ export
MW, pI 37 kDa, 5.206
Gene length, protein length 1053 bp, 351 aa
Immediate neighbours yfkF, yfkD
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YfkE context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU07920

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

Categories containing this gene/protein

transporters/ other, metal ion homeostasis (K, Na, Ca, Mg), sporulation proteins, general stress proteins (controlled by SigB)

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions:
  • Localization:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation: expressed in the forespore (SigG) PubMed
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Makoto Fujisawa, Yuko Wada, Takahiro Tsuchiya, Masahiro Ito
Characterization of Bacillus subtilis YfkE (ChaA): a calcium-specific Ca2+/H+ antiporter of the CaCA family.
Arch Microbiol: 2009, 191(8);649-57
[PubMed:19543710] [WorldCat.org] [DOI] (I p)